C31232233133313221211113313331333132313331322121111121333131121321   >>    C3123223313331322121111331333133313231333132212111112133313112132   <<    C31232233133313221211113313331333132313331322121111121333131121323   >>      C31232233133313221211113313331333132313331322121111121333131121322   >>