C31232233133313221211113313331333132313331322121111331333131323233221   >>    C3123223313331322121111331333133313231333132212111133133313132323322   <<    C31232233133313221211113313331333132313331322121111331333131323233223   >>      C31232233133313221211113313331333132313331322121111331333131323233222   >>