C313212111113331323312111133133313331333133313331333132313331333131133132322121   >>    C31321211111333132331211113313331333133313331333133313231333133313113313232212   <<    C313212111113331323312111133133313331333133313331333132313331333131133132322123   >>      C313212111113331323312111133133313331333133313331333132313331333131133132322122   >>