C312322331333132212111133133313331323133313221211113313233231311211   >>    C31232233133313221211113313331333132313331322121111331323323131121   <<    C312322331333132212111133133313331323133313221211113313233231311213   >>      C312322331333132212111133133313331323133313221211113313233231311212   >>