C313212111113331323312111133133313331333133313331333133313331122112322121   >>    C31321211111333132331211113313331333133313331333133313331333112211232212   <<    C313212111113331323312111133133313331333133313331333133313331122112322123   >>      C313212111113331323312111133133313331333133313331333133313331122112322122   >>