C31232233133313221211113313331333133313331212111133132321333222321   >>    C3123223313331322121111331333133313331333121211113313232133322232   <<    C31232233133313221211113313331333133313331212111133132321333222323   >>      C31232233133313221211113313331333133313331212111133132321333222322   >>