C31232233133313221211113313331333132313331322121111331323223221   >>    C3123223313331322121111331333133313231333132212111133132322322   <<    C31232233133313221211113313331333132313331322121111331323223223   >>      C31232233133313221211113313331333132313331322121111331323223222   >>