C31232233133313221211113313331333132313331322121111121121133131321   >>    C3123223313331322121111331333133313231333132212111112112113313132   <<    C31232233133313221211113313331333132313331322121111121121133131323   >>      C31232233133313221211113313331333132313331322121111121121133131322   >>