C31232233133313221211113313331333132313331322121111331333131323133311211321   >>    C3123223313331322121111331333133313231333132212111133133313132313331121132   <<    C31232233133313221211113313331333132313331322121111331333131323133311211323   >>      C31232233133313221211113313331333132313331322121111331333131323133311211322   >>