C312322331333132212111133133313331323133313221211111333131211113313311232311321   >>    C31232233133313221211113313331333132313331322121111133313121111331331123231132   <<    C312322331333132212111133133313331323133313221211111333131211113313311232311323   >>      C312322331333132212111133133313331323133313221211111333131211113313311232311322   >>