C31232233133313221211113313331333132313331333133313331333133313331323211111   >>    C3123223313331322121111331333133313231333133313331333133313331333132321111   <<    C31232233133313221211113313331333132313331333133313331333133313331323211113   >>      C31232233133313221211113313331333132313331333133313331333133313331323211112   >>