C313212111113331323312111133133313331333133313331333133313331333131333132211321   >>    C31321211111333132331211113313331333133313331333133313331333133313133313221132   <<    C313212111113331323312111133133313331333133313331333133313331333131333132211323   >>      C313212111113331323312111133133313331333133313331333133313331333131333132211322   >>