C31232233133313221211113313331333132313331333133313331333133313331312112322121   >>    C3123223313331322121111331333133313231333133313331333133313331333131211232212   <<    C31232233133313221211113313331333132313331333133313331333133313331312112322123   >>      C31232233133313221211113313331333132313331333133313331333133313331312112322122   >>