C312322331333132212111133133313331323133313221211111211111133231311131   >>    C31232233133313221211113313331333132313331322121111121111113323131113   <<    C312322331333132212111133133313331323133313221211111211111133231311133   >>      C312322331333132212111133133313331323133313221211111211111133231311132   >>