C31232233133313221211113313331333131211113313231333131333222321   >>    C3123223313331322121111331333133313121111331323133313133322232   <<    C31232233133313221211113313331333131211113313231333131333222323   >>      C31232233133313221211113313331333131211113313231333131333222322   >>